Dingxing in context: Street-network sprawl trends

Dingxing in context

33.544.5<19751976–19901991–20052006–2020SNDi of street additions
33.544.5<19751976–19901991–20052006–2020SNDi of entire street network
DingxingHebei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dingxing plotted against Hebei and China. The SNDi of new construction in Dingxing peaked in 1976-1990, compared to Hebei which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Dingxing's incremental SNDi fell from 3.28 to 3.17 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dingxing ranked 102nd out of 120 cities in Hebei and 1495th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.17
Rank in China
984th of 1843
Rank in Hebei
59th of 120

Entire Network (Aggregate)

SNDi value
3.81
Rank in China
1495th of 1843
Rank in Hebei
102nd of 120

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
DingxingParsauniPakhtaobod

In new street additions, Dingxing built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Parsauni built increasingly disconnected streets from 1975 through 1991-2005, then improved and Pakhtaobod built increasingly disconnected streets over time. Looking at the full network, Parsauni and Pakhtaobod both became progressively more disconnected, while Dingxing grew more disconnected from 1975 through 1976-1990, then improved. Notably, Dingxing had a more sprawly network than Parsauni in 1975 but the two have since reversed their relative ranking.